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Re: Externally visible differences between Bf 109E-3 and E-7?
The easiest way is to check an octane trangle.
DB 601 A, which powered Emils since E-1, E-3 and E-4 used B4 low octane aviation fuel.
DB 601 N installed on E-7 burned high octane C3 fuel (96-100 oct.) due its higher fillin pressure and so on.
You have raised an extremally interesting point - the rebuilt ones.
One must keep in mind, that no W.Nr but equipment made a version.
So, if E-1 was given wings with MG-FF/m (or the cannons only were installed) it became E-4. If E-1 was given those cannons and also a better N engine it became E-7.
all the best
Kuba
Last edited by Kuba Plewka; 17th November 2005 at 14:24.
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